1. The outer wall worker safety fixing device for household appliance maintenance comprises an indoor positioning device (10), a suspension device (20) which is arranged on one side of the positioning device (10) and extends to the outdoor, and is characterized in that the positioning device (10) comprises an indoor weight box (11), a plurality of pulleys (111) arranged at the bottom of the weight box (11), a plurality of balance weights (112) clamped on the side wall of the weight box (11), indoor fixing components (12) symmetrically arranged at two ends of the weight box (11), a rotating component (13) which is arranged in the weight box (11) and has an execution end penetrating through the top of the inner wall of the weight box (11) and extending to the outside, and an extension telescopic component (14) arranged at the execution end of the rotating component (13);

suspension device (20) are including locating roof (21) of flexible part (14) execution end extends, and along keeping away from positioner (10) direction is located according to the preface first horizontal migration part (22) and service tool transportation part (23) of roof (21) bottom, first horizontal migration part (22) execution end is equipped with maintenance angle adjusting part (24), maintenance angle adjusting part (24) execution end is equipped with seat (25), be equipped with on seat (25) and control part (26), seat (25) bilateral symmetry is equipped with gasbag protective part (27).

2. The outer wall worker safety fixing device for home appliance maintenance according to claim 1, wherein the indoor fixing component (12) comprises connecting blocks (121) symmetrically arranged on the outer wall of the weight box (11), a hydraulic cylinder (122) arranged on the top of the connecting blocks (121), a negative pressure suction cup (123) arranged on the bottom of the connecting blocks, and a negative pressure pump (124) arranged on the inner wall of the weight box (11) and communicated with the negative pressure suction cup (123) through a pipeline, wherein the hydraulic cylinder (122) is used for driving the negative pressure suction cup (123) to ascend and descend.

3. The exterior wall worker safety fixing device for home appliance maintenance according to claim 1, wherein the rotating member (13) comprises a fixing box (131) arranged in the weight box (11), a lifting plate (132) slidably connected to the inner wall of the fixing box (131), a driving cylinder (133) arranged at the top of the weight box (11) and used for driving the lifting plate (132) to lift, a supporting column (134) rotatably connected to the bottom of the lifting plate (132), a speed reducer (135) and a driving motor (136) arranged at the bottom of the lifting plate (132), the driving motor (136) drives the supporting column (134) to rotate through the speed reducer (135), and the top of the supporting column (134) sequentially penetrates through the fixing box (131) and the weight box (11) and extends to the outside of the weight box (11).

4. The exterior wall worker safety fixing device for home appliance maintenance according to claim 3, wherein the extension telescopic component (14) comprises a base block (141) arranged on the top of the supporting column (134), an L-shaped extension plate (142) horizontally penetrating through the base block (141), and a telescopic cylinder (143) arranged on the side wall of the L-shaped extension plate (142) and having an execution end penetrating through the L-shaped extension plate (142) and connected with the side wall of the base block (141).

5. The exterior wall worker safety fixture for home appliance maintenance according to claim 1, wherein the first horizontal moving member (22) comprises a plurality of first linear guides (221) provided at the bottom of the top plate (21), and a moving plate (222) having a top portion connected to the actuating ends of the plurality of first linear guides (221).

6. The exterior wall worker safety fixing device for home appliance maintenance according to claim 5, wherein the maintenance angle adjusting member (24) comprises a plurality of cylinders (241) disposed at the bottom of the moving plate (222), a fixing plate (242) disposed at the actuating end of the cylinders (241), and a stepping motor (243) disposed on the fixing plate (242), the actuating end of the stepping motor (243) penetrates through the fixing plate (242) and is connected to the top of the seat (25).

7. The exterior wall worker safety fixing device for home appliance maintenance use according to claim 1, wherein the control member (26) comprises a button control lever (261) disposed between two armrests of the seat (25), and the button control lever (261) is connected with a PLC controller through a wire.

8. The outer wall worker safety fixing device for home appliance maintenance according to claim 1, wherein the air bag protection component (27) comprises an air bag (271) arranged in an armrest of the seat (25), an air storage tank (272) arranged on the outer wall of the seat back of the seat (25) and communicated with the air bag (271) through a pipeline, and extension blocks (273) symmetrically arranged on two sides of the seat (25), wherein infrared sensors (274) are arranged on the extension blocks (273).

9. The safety fixing device for the outer wall worker for the household appliance maintenance according to claim 1, wherein the maintenance tool transportation component (23) comprises a second linear guide rail (231) arranged at the bottom of the top plate (21), a first vertical plate (232) arranged at an execution end of the second linear guide rail (231), an electric cylinder (234) arranged at the other side of the first vertical plate (232) close to the second vertical plate (233) at one side of the seat (25), and a self-containing tool placing component (235) arranged at the bottom of the second vertical plate (233), wherein the electric cylinder (234) is used for driving the second vertical plate (233) to ascend and descend.

10. The outer wall body worker safety fixing device for home appliance maintenance according to claim 9, wherein the self-accommodating tool placing part (235) comprises a classification tool box (2351) with one end hinged to the bottom end of the second vertical plate (233), and a steering engine (2352) arranged on the side wall of the second vertical plate (233) and used for driving the classification tool box (2351) to rotate around the hinged position.

Background

Some household appliances need to be provided with a host on the outer wall, and when maintenance personnel maintain the outdoor host, the maintenance personnel need to fix the household appliances outdoors through a fixing device, and the safety of the outdoor fixing device directly influences the life safety of the maintenance personnel.

According to the safety belt hanging device for outdoor aerial work provided by patent document with application number of CN200520082215.9, the safety belt hanging device comprises an L-shaped fixing frame, wherein the L-shaped fixing frame is composed of a transverse frame and a vertical frame, a hanging hole is formed in the vertical frame, a pressure plate is connected to a wall contact part at the lower part of the vertical frame, a sliding arm is fixedly connected to a transverse beam, a screw rod is arranged at the lower part of the sliding arm, and the pressure plate is arranged at the wall contact end of the screw rod. When the safety belt is used, the whole hanging device is spanned across a windowsill and abutted against the inner wall and the outer wall, then the spiral pressure plate is rotationally adjusted, so that the whole hanging device is tightly clamped on a wall body, and the other end of the safety belt is hung on the hanging hole, therefore, the safety belt can be safely operated outdoors, and the safety of maintenance personnel is ensured.

The product in the above-mentioned patent passes through cable suspension device and rope cooperation and carries out high altitude construction personnel's outdoor fixed, but is not convenient for adjust outer wall body workman's fixed position, and can't carry out safety protection to outer wall body workman when emergency.

Disclosure of Invention

The invention mainly provides an outer wall worker safety fixing device for maintaining household appliances, which is used for solving the technical problems in the background technology.

The technical scheme adopted by the invention for solving the technical problems is as follows:

the safety fixing device comprises an indoor positioning device and a suspension device, wherein the suspension device is arranged on one side of the positioning device and extends to the outdoor, the positioning device comprises an indoor weight box, a plurality of pulleys arranged at the bottom of the weight box, a plurality of balancing weights clamped on the side wall of the weight box, indoor fixing parts symmetrically arranged at two ends of the weight box, a rotating part arranged in the weight box and provided with an execution end penetrating through the top of the inner wall of the weight box and extending to the outside, and an extension telescopic part arranged at the execution end of the rotating part;

suspension device is including locating the roof of flexible part execution end of extension, along keeping away from the positioner direction is located according to the preface the first horizontal migration part and the maintenance tool transportation part of roof bottom, first horizontal migration part execution end is equipped with maintenance angle adjusting part, maintenance angle adjusting part execution end is equipped with the seat, be equipped with on the seat and control the part, the seat bilateral symmetry is equipped with gasbag protective part.

Preferably, the indoor fixed part includes that the symmetry locates the connecting block of weight box outer wall, locates the pneumatic cylinder at connecting block top, the negative sucker of bottom, and locate weight box inner wall and pipeline intercommunication negative sucker's negative pressure pump, the pneumatic cylinder is used for driving the negative sucker and goes up and down. In the preferred embodiment, stable fixation of the weight box is facilitated by the indoor fixation member.

Preferably, the rotatable parts is including locating the fixed case in the weight box, and the lifter plate of the fixed incasement wall of sliding connection locates the drive cylinder that the weight box top just was used for driving the lifter plate to go up and down, the bottom rotates the support post of connecting the lifter plate, locates the speed reducer and the driving motor of lifter plate bottom, driving motor passes through the rotation of speed reducer drive support column, the support column top runs through fixed case and weight box in proper order and extends to the weight box outside. In the preferred embodiment, the rotation of the extension member is achieved by a rotating member so as to move the top plate from the indoor to the outdoor.

Preferably, the extension telescopic part is including locating the base piece at support column top, the L shape extension board that the base piece was run through to the level, and locate L shape extension board lateral wall and execution end run through the telescoping cylinder that L shape extension board connects base piece lateral wall. In the preferred embodiment, the extension of the top plate is achieved by an extension telescopic member to facilitate adjustment of the position of the top plate.

Preferably, the first horizontal moving part comprises a plurality of first linear guide rails arranged at the bottom of the top plate, and a moving plate with the top connected with the execution ends of the plurality of first linear guide rails. In the present preferred embodiment, the horizontal movement of the seat is achieved by the first horizontal moving member.

Preferably, the maintenance angle adjusting part comprises a plurality of cylinders arranged at the bottom of the moving plate, a fixing plate arranged at the execution end of each cylinder, and a stepping motor arranged on the fixing plate, wherein the execution end of the stepping motor penetrates through the fixing plate to be connected with the top of the seat. In the preferred embodiment, the height and the rotation angle of the seat can be conveniently adjusted by the maintenance angle adjusting component, so that the household appliance to be maintained can be maintained at different angles.

Preferably, the control component comprises a button control rod arranged between the two armrests of the seat, and the button control rod is connected with the PLC through a wire. In the preferred embodiment, the self-adjustment of the seat position is achieved by means of a control member.

Preferably, the air bag protection part is including locating air bag in the armrest locates seat back outer wall and pipeline intercommunication air bag's gas holder to and the symmetry is located the extension piece of seat both sides, be equipped with infrared sensor on the extension piece. In the preferred embodiment, the airbag protection component facilitates emergency protection of the service person when the service person is out of the limit range of the seat, so that the service person airbag can rebound back into the seat.

Preferably, the maintenance tool transportation part is including locating the second linear guide of roof bottom locates the first riser of second linear guide execution end is located the first riser is close to the electronic jar of second riser, the opposite side of seat one side, and locate the part is placed to the self-storage tool of second riser bottom, electronic jar is used for driving the second riser and goes up and down. In the preferred embodiment, the maintenance tool is transported by the maintenance tool transportation component, so that the maintenance personnel can be conveniently assisted to carry out maintenance.

Preferably, the self-contained tool placing part comprises a classification tool box with one end hinged to the bottom end of the second vertical plate and a steering engine arranged on the side wall of the second vertical plate and used for driving the classification tool box to rotate around the hinged position of the classification tool box. In the preferred embodiment, the self-storage of the sorting tool box is realized by the self-storage tool placing component, so that the danger during the transportation of the tool is reduced.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, the fixing position of an external wall worker is adjusted through the positioning device, the first horizontal moving part and the maintenance angle adjusting part, and the external wall worker is safely protected in emergency through the air bag protecting part;

through the indoor fixed part be convenient for the stable of weight box fixed, realize the rotation of extension telescopic part through rotating part, so that remove the roof from indoor to outdoor, be convenient for adjust the height and the turned angle of seat through maintenance angle adjusting part, so that treat the different angles of maintenance household electrical appliances and maintain, realize the regulation by oneself of seat position through controlling the part, be convenient for when the extreme limit scope of maintenance personal skew seat through gasbag protective part, carry out emergency protection to maintenance personal, in rebounding the maintenance personal gasbag back to the seat in, realize the transportation of maintenance tool through maintenance tool transport part, be convenient for assist maintenance personal to maintain, place the part through placing the part from accomodating of realization classification tool box, danger during the transportation of reduction tool.

The present invention will be explained in detail below with reference to the drawings and specific embodiments.

Drawings

FIG. 1 is an isometric view of the overall construction of the present invention;

FIG. 2 is an exploded view of the overall structure of the present invention;

FIG. 3 is an exploded view of the positioning device of the present invention;

FIG. 4 is an isometric view of a suspension arrangement of the present invention;

FIG. 5 is an exploded view of the structure of a service vehicle transport component of the present invention;

FIG. 6 is a cross-sectional view of the overall construction of the present invention;

FIG. 7 is a cross-sectional view of the positioning device of the present invention;

fig. 8 is a sectional view showing the structure of the suspension device of the present invention.

Description of the drawings: 10. a positioning device; 11. a weight box; 111. a pulley; 112. a balancing weight; 12. a fixing member; 121. connecting blocks; 122. a hydraulic cylinder; 123. a negative pressure sucker; 124. a negative pressure pump; 13. a rotating member; 131. a fixed box; 132. a lifting plate; 133. a drive cylinder; 134. a support pillar; 135. a speed reducer; 136. a drive motor; 14. an extension member; 141. a base block; 142. an L-shaped extension plate; 143. a telescopic cylinder; 20. a suspension device; 21. a top plate; 22. a first horizontal moving member; 221. a first linear guide rail; 222. moving the plate; 23. a service tool transport component; 231. a second linear guide; 232. a first vertical plate; 233. a second vertical plate; 234. an electric cylinder; 235. placing a component from a storage tool; 2351. a sorting tool box; 2352. a steering engine; 24. maintaining the angle adjustment component; 241. a cylinder; 242. a fixing plate; 243. a stepping motor; 25. a seat; 26. a manipulation member; 261. a button-operated lever; 27. an airbag protective component; 271. an air bag; 272. a gas storage tank; 273. an extension block; 274. an infrared sensor.

Detailed Description

In order to facilitate an understanding of the invention, the invention will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the invention are shown, but which may be embodied in different forms and not limited to the embodiments described herein, but which are provided so as to provide a more thorough and complete disclosure of the invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the knowledge of the terms used herein in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1, 2, 3, 6 and 7, in a preferred embodiment of the present invention, an exterior wall worker safety fixing device for home appliance maintenance includes a positioning device 10 disposed indoors and a suspension device 20 disposed at one side of the positioning device 10 and extending to the outside, wherein the positioning device 10 includes a weight box 11 disposed indoors, a plurality of pulleys 111 disposed at the bottom of the weight box 11, a plurality of weights 112 fastened to a sidewall of the weight box 11, indoor fixing members 12 symmetrically disposed at two ends of the weight box 11, a rotating member 13 disposed in the weight box 11 and having an execution end penetrating through the top of an inner wall of the weight box 11 and extending to the outside, and an extension telescopic member 14 disposed at an execution end of the rotating member 13; the indoor fixing component 12 comprises a connecting block 121 symmetrically arranged on the outer wall of the weight box 11, a hydraulic cylinder 122 arranged at the top of the connecting block 121, a negative pressure suction cup 123 arranged at the bottom of the connecting block, and a negative pressure pump 124 arranged on the inner wall of the weight box 11 and communicated with the negative pressure suction cup 123 through a pipeline, the hydraulic cylinder 122 is used for driving the negative pressure suction cup 123 to ascend and descend, the rotating component 13 comprises a fixed box 131 arranged in the weight box 11, a lifting plate 132 slidably connected with the inner wall of the fixed box 131, a driving cylinder 133 arranged at the top of the weight box 11 and used for driving the lifting plate 132 to ascend and descend, a supporting column 134 rotatably connected with the lifting plate 132 at the bottom of the rotating component, a speed reducer 135 arranged at the bottom of the lifting plate 132 and a driving motor 136, the driving motor 136 drives the supporting column 134 to rotate through the speed reducer 135, the top of the supporting column 134 sequentially penetrates through the fixed box 131 and the weight box 11 and extends to the outside of the weight box 11, the extension telescopic component 14 comprises a base block 141 arranged at the top of the supporting column 134, an L-shaped extension plate 142 horizontally penetrating through the base block 141, and a telescopic cylinder 143 arranged on the side wall of the L-shaped extension plate 142 and having an execution end penetrating through the L-shaped extension plate 142 and connected with the side wall of the base block 141.

It should be noted that, in this embodiment, during use, the weight box 11 is moved to the window side through the pulley 111, at this time, one end of the top plate 21 extends to the outside of the window, the appropriate number of the weight blocks 112 are clamped on two sides of the weight box 11, the weight box 11 is stably fixed indoors through the fixing component 12, after the fixing is completed, a maintenance worker sits on the seat 25, the rotating component 13 can drive the top plate 21 to rotate through the operation and control component 26, the top plate 21 is completely placed outdoors after rotating ninety degrees, and the extension telescopic component 14 can continue to move the top plate 21 outwards;

further, when the fixing component 12 works, the hydraulic cylinder 122 drives the negative pressure suction cup 123 to move downwards to contact the ground, the negative pressure pump 124 sucks air in the negative pressure suction cup 123, and the negative pressure suction cup 123 sucks the ground;

further, when the rotating part 13 works, the driving cylinder 133 can drive the lifting plate 132 and the supporting column 134 to lift, the driving motor 136 is started, and the driving motor 136 drives the supporting column 134 to rotate through the speed reducer 135;

further, when the extension telescopic part 14 works, the telescopic cylinder 143 drives the L-shaped extension plate 142 to move horizontally, and the L-shaped extension plate 142 drives the top plate 21 to move.

Please refer to fig. 2, 4, 6, and 8, in another preferred embodiment of the present invention, the suspension device 20 includes a top plate 21 disposed at an executing end of the extension member 14, a first horizontal moving member 22 and a maintenance tool transporting member 23 sequentially disposed at a bottom of the top plate 21 along a direction away from the positioning device 10, the executing end of the first horizontal moving member 22 is provided with a maintenance angle adjusting member 24, the executing end of the maintenance angle adjusting member 24 is provided with a seat 25, the seat 25 is provided with a control member 26, two sides of the seat 25 are symmetrically provided with air bag protection members 27, the first horizontal moving member 22 includes a plurality of first linear guide rails 221 disposed at the bottom of the top plate 21, and a moving plate 222 having a top connected to the executing ends of the plurality of first linear guide rails 221, the maintenance angle adjusting member 24 includes a plurality of air cylinders 241 disposed at the bottom of the moving plate 222, locate the fixed plate 242 of cylinder 241 execution end, and locate step motor 243 on the fixed plate 242, step motor 243 execution end runs through fixed plate 242 and connects the seat 25 top, control part 26 including locating button control pole 261 between two handrails of seat 25, the PLC controller is connected to button control pole 261 wire, air bag protective part 27 is including locating air bag 271 in the seat 25 handrail is located air reservoir 272 of seat 25 back of the chair outer wall and pipeline intercommunication air bag 271, and the symmetry is located the extension piece 273 of seat 25 both sides, be equipped with infrared sensor 274 on the extension piece 273.

It should be noted that, in this embodiment, after the top plate 21 is placed outdoors, a maintenance person moves horizontally through the first linear guide rail 221, performs angle adjustment through the maintenance angle adjusting component 24, so as to perform maintenance with finding a proper maintenance angle, when the maintenance person deviates from the limit range of the seat 25, the infrared sensor 274 placed in the limit range of the seat 25 transmits an electric signal to the PLC controller, the PLC controller turns on the electromagnetic valve at the air outlet of the air storage tank 272, the pressure gas enters the airbag 271, the airbag 271 deploys, and protects the maintenance person, so as to rebound the maintenance person to the seat 25;

further, when the maintenance angle adjusting component 24 works, the air cylinder 241 drives the seat 25 to lift, and the stepping motor 243 drives the seat 25 to rotate;

further, the maintenance person realizes self-adjustment of the maintenance position and control of the maintenance tool transporting part 23 by pressing the button operation lever 261.

Referring now to fig. 2, 5, 6 and 8, in another preferred embodiment of the present invention, a first horizontal moving member 22 and a service vehicle transporting member 23 are sequentially provided at the bottom of the top plate 21 in a direction away from the positioning device 10, the maintenance tool transportation part 23 comprises a second linear guide 231 arranged at the bottom of the top plate 21, a first vertical plate 232 arranged at the execution end of the second linear guide 231, a second vertical plate 233 arranged at one side of the first vertical plate 232 close to the seat 25, and an electric cylinder 234 arranged at the other side, and a self-contained tool placing member 235 provided at the bottom of the second vertical plate 233, the electric cylinder 234 for driving the second vertical plate 233 to ascend and descend, the self-stowing tool placement member 235 includes a sorting tool box 2351 hinged at one end to the bottom end of the second riser 233, and a steering engine 2352 arranged on the side wall of the second vertical plate 233 and used for driving the classification tool box 2351 to rotate around the hinged part.

It should be noted that, in this embodiment, when the maintenance person lacks a tool, the second linear guide 231 drives the classification tool box 2351 to move to the window position, the person can place a tool into the classification tool box 2351 and cover the cover plate, after the placement is completed, the steering engine 2352 drives the classification tool box 2351 to rotate around the hinged position to store, the second linear guide 231 moves the classification tool box 2351 to the position of the maintenance person to complete the tool transportation, and the height of the classification tool box 2351 can be adjusted through the electric cylinder 234.

The specific process of the invention is as follows:

the PLC controller model is "FX 3U-80 MR/ES-A".

When the counterweight box is used, the counterweight box 11 is moved to the window side through the pulley 111, one end of the top plate 21 extends out of the window, the appropriate number of counterweight blocks 112 are clamped on two sides of the counterweight box 11, the counterweight box 11 is stably fixed indoors through the fixing part 12, after the fixing is finished, a maintenance worker sits on the seat 25, the operation is carried out through the control part 26, the rotating part 13 can drive the top plate 21 to rotate, the whole top plate 21 is completely placed outdoors after the rotation of ninety degrees, and the extension telescopic part 14 can continue to move the top plate 21 outwards;

when the fixing part 12 works, the hydraulic cylinder 122 drives the negative pressure sucker 123 to move downwards to contact the ground, the negative pressure pump 124 sucks air in the negative pressure sucker 123, and the negative pressure sucker 123 sucks the ground;

when the rotating part 13 works, the driving cylinder 133 can drive the lifting plate 132 and the supporting column 134 to lift, the driving motor 136 is started, and the driving motor 136 drives the supporting column 134 to rotate through the speed reducer 135;

when the extension telescopic part 14 works, the telescopic cylinder 143 drives the L-shaped extension plate 142 to move horizontally, and the L-shaped extension plate 142 drives the top plate 21 to move;

after the top plate 21 is placed outdoors, a maintenance worker moves horizontally through the first linear guide rail 221, performs angle adjustment through the maintenance angle adjusting part 24 so as to perform maintenance with finding a proper maintenance angle, when the maintenance worker deviates from the limit range of the seat 25, the infrared sensor 274 placed in the limit range of the seat 25 transmits an electric signal to the PLC controller, the PLC controller opens the electromagnetic valve at the air outlet of the air storage tank 272, pressure gas enters the airbag 271, the airbag 271 expands, and the maintenance worker is protected so as to rebound the seat 25;

when the maintenance angle adjusting part 24 works, the air cylinder 241 drives the seat 25 to lift, and the stepping motor 243 drives the seat 25 to rotate;

the maintenance personnel realize self-adjustment of the maintenance position and control of the maintenance tool transportation component 23 through the button control rod 261;

when maintenance personal lacks the instrument, second linear guide 231 drives categorised tool holder 2351 and removes to the window position, and the personnel can place the instrument and cover the apron in categorised tool holder 2351, places the completion back, and steering wheel 2352 drives categorised tool holder 2351 and rotates around its articulated department and accomodate, and second linear guide 231 removes categorised tool holder 2351 to maintenance personal position to accomplish the instrument transportation, still can adjust categorised tool holder 2351's height simultaneously through electronic jar 234.

The invention is described above with reference to the accompanying drawings, it is obvious that the invention is not limited to the above-described embodiments, and it is within the scope of the invention to adopt such insubstantial modifications of the inventive method concept and solution, or to apply the inventive concept and solution directly to other applications without modification.